/
DefaultIconRenderer.java
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/
DefaultIconRenderer.java
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/*
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.xwiki.icon.internal;
import java.io.StringWriter;
import java.util.HashMap;
import java.util.Map;
import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Provider;
import org.apache.commons.lang.StringUtils;
import org.xwiki.icon.Icon;
import org.xwiki.icon.IconException;
import org.xwiki.icon.IconRenderer;
import org.xwiki.icon.IconSet;
import org.xwiki.skinx.SkinExtension;
import com.xpn.xwiki.XWiki;
import com.xpn.xwiki.XWikiContext;
/**
* Default implementation of {@link org.xwiki.icon.IconRenderer}.
*
* @since 6.2M1
* @version $Id$
*/
public class DefaultIconRenderer implements IconRenderer
{
@Inject
private Provider<XWikiContext> xcontextProvider;
@Inject
@Named("ssx")
private SkinExtension skinExtension;
@Inject
@Named("linkx")
private SkinExtension linkExtension;
@Inject
@Named("jsx")
private SkinExtension jsExtension;
@Override
public String render(String iconName, IconSet iconSet) throws IconException
{
return render(iconSet, iconName, iconSet.getRenderWiki());
}
@Override
public String renderHTML(String iconName, IconSet iconSet) throws IconException
{
return render(iconSet, iconName, iconSet.getRenderHTML());
}
private String render(IconSet iconSet, String iconName, String renderer)
{
if (!StringUtils.isBlank(iconSet.getCss())) {
activeCSS(iconSet);
}
if (!StringUtils.isBlank(iconSet.getSsx())) {
activeSSX(iconSet);
}
if (!StringUtils.isBlank(iconSet.getJsx())) {
activeJSX(iconSet);
}
return renderIcon(iconSet, iconName, renderer);
}
private void activeCSS(IconSet iconSet)
{
XWikiContext xcontext = xcontextProvider.get();
XWiki xwiki = xcontext.getWiki();
String url = xwiki.parseContent(iconSet.getCss(), xcontext);
Map<String, Object> parameters = new HashMap();
parameters.put("rel", "stylesheet");
linkExtension.use(url, parameters);
}
private void activeSSX(IconSet iconSet)
{
skinExtension.use(iconSet.getSsx());
}
private void activeJSX(IconSet iconSet)
{
jsExtension.use(iconSet.getJsx());
}
private String renderIcon(IconSet iconSet, String iconName, String renderer)
{
XWikiContext xcontext = xcontextProvider.get();
XWiki xwiki = xcontext.getWiki();
// Get the icon
Icon icon = iconSet.getIcon(iconName);
// The icon may not exist
if (icon == null) {
// return an empty string. Idea: fallback on a different icon instead?
return "";
}
// Interpret the velocity command
StringWriter contentToParse = new StringWriter();
contentToParse.write("#set($icon = \"");
contentToParse.write(icon.getValue());
contentToParse.write("\")\n");
contentToParse.write(renderer);
return xwiki.parseContent(contentToParse.toString(), xcontext);
}
}